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1/*2 * Copyright 2023 Red Hat Inc.3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 * and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice shall be included in12 * all copies or substantial portions of the Software.13 *14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR20 * OTHER DEALINGS IN THE SOFTWARE.21 */22#include "priv.h"23 24#include <core/object.h>25#include <subdev/gsp.h>26#include <engine/fifo.h>27 28#include <nvrm/nvtypes.h>29#include <nvrm/535.113.01/common/sdk/nvidia/inc/class/cl2080_notification.h>30#include <nvrm/535.113.01/common/sdk/nvidia/inc/class/clc0b5sw.h>31 32struct r535_ce_obj {33 struct nvkm_object object;34 struct nvkm_gsp_object rm;35};36 37static void *38r535_ce_obj_dtor(struct nvkm_object *object)39{40 struct r535_ce_obj *obj = container_of(object, typeof(*obj), object);41 42 nvkm_gsp_rm_free(&obj->rm);43 return obj;44}45 46static const struct nvkm_object_func47r535_ce_obj = {48 .dtor = r535_ce_obj_dtor,49};50 51static int52r535_ce_obj_ctor(const struct nvkm_oclass *oclass, void *argv, u32 argc,53 struct nvkm_object **pobject)54{55 struct nvkm_chan *chan = nvkm_uchan_chan(oclass->parent);56 struct r535_ce_obj *obj;57 NVC0B5_ALLOCATION_PARAMETERS *args;58 59 if (!(obj = kzalloc(sizeof(*obj), GFP_KERNEL)))60 return -ENOMEM;61 62 nvkm_object_ctor(&r535_ce_obj, oclass, &obj->object);63 *pobject = &obj->object;64 65 args = nvkm_gsp_rm_alloc_get(&chan->rm.object, oclass->handle, oclass->base.oclass,66 sizeof(*args), &obj->rm);67 if (WARN_ON(IS_ERR(args)))68 return PTR_ERR(args);69 70 args->version = 1;71 args->engineType = NV2080_ENGINE_TYPE_COPY0 + oclass->engine->subdev.inst;72 73 return nvkm_gsp_rm_alloc_wr(&obj->rm, args);74}75 76static void *77r535_ce_dtor(struct nvkm_engine *engine)78{79 kfree(engine->func);80 return engine;81}82 83int84r535_ce_new(const struct nvkm_engine_func *hw, struct nvkm_device *device,85 enum nvkm_subdev_type type, int inst, struct nvkm_engine **pengine)86{87 struct nvkm_engine_func *rm;88 int nclass, ret;89 90 for (nclass = 0; hw->sclass[nclass].oclass; nclass++);91 92 if (!(rm = kzalloc(sizeof(*rm) + (nclass + 1) * sizeof(rm->sclass[0]), GFP_KERNEL)))93 return -ENOMEM;94 95 rm->dtor = r535_ce_dtor;96 for (int i = 0; i < nclass; i++) {97 rm->sclass[i].minver = hw->sclass[i].minver;98 rm->sclass[i].maxver = hw->sclass[i].maxver;99 rm->sclass[i].oclass = hw->sclass[i].oclass;100 rm->sclass[i].ctor = r535_ce_obj_ctor;101 }102 103 ret = nvkm_engine_new_(rm, device, type, inst, true, pengine);104 if (ret)105 kfree(rm);106 107 return ret;108}109